From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Petazzoni Date: Wed, 23 Nov 2016 22:49:10 +0100 Subject: [Buildroot] [PATCH v4 01/18] reproducibility: generate SOURCE_DATE_EPOCH In-Reply-To: <1479905937-17241-2-git-send-email-jezz@sysmic.org> References: <1479905937-17241-1-git-send-email-jezz@sysmic.org> <1479905937-17241-2-git-send-email-jezz@sysmic.org> Message-ID: <20161123224910.7e2e39b2@free-electrons.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Hello, On Wed, 23 Nov 2016 13:58:40 +0100, J?r?me Pouiller wrote: > From: Gilles Chanteperdrix > > When reproducibility is requested, generate a global SOURCE_DATE_EPOCH > environment variable which contains either the date of Buildroot last > commit if running from a git repository, or the latest release date. > > This means that all packages embedding build dates will appear to > have the same build date, so in case of new commit or release, all > packages will appear to have been changed, even though some of them > may not have changed in fact. > > The meaning of SOURCE_DATE_EPOCH is specified by the following > specification: > https://reproducible-builds.org/specs/source-date-epoch/ > > Signed-off-by: Gilles Chanteperdrix > Signed-off-by: J?r?me Pouiller > --- Applied to next, thanks. Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com